A modern 750 square meter commercial office building in interior São Paulo, Brazil
Real Estate 13 min read

I Built a 750m² Office Building Without Financing

By Karina Peres Silverio Attorney — OAB/SP 331.050

Why I Refused to Finance Anything in Brazil

Let me tell you something about Brazilian interest rates that most investment guides won’t mention: they will destroy you.

When I first started looking at building a commercial property, every banker I spoke with quoted me rates between 12% and 18% per year. Not a mortgage like in the US where you lock in 3-4% for 30 years. In Brazil, commercial financing means double-digit rates, shorter terms, and a mountain of bureaucratic requirements that would make your head spin.

I sat with my calculator one afternoon and ran the numbers. A R$1M building financed over 10 years at 15% interest would cost me roughly R$2.4M by the time I made the last payment. I would pay more in interest than the building itself was worth.

That was the day I decided: I would build this thing without a single centavo from any bank.

The Land

I already owned the land. I had purchased it years earlier — a flat, well-located parcel on a main commercial avenue in the interior of São Paulo state. The lot was 500m² and had cost me very little compared to what urban land costs in the capital. Interior cities are a different world when it comes to real estate pricing. What would buy you a parking spot in Pinheiros buys you a legitimate commercial lot in a growing interior city.

The location was key. It sat on a road that connected two neighborhoods, with heavy foot and vehicle traffic. A bus stop right in front. A hospital three blocks away. A university campus within walking distance. When you’re building commercial space, you think about who needs it, not just where it is.

The Construction Strategy

Here is where most people would go to a bank. I went to a construction foreman instead.

In Brazil’s interior, the construction industry runs on relationships. I found a crew — a mestre de obras (master builder) and his team of about 12 workers — who had built several commercial buildings in the area. We sat down and I made them a proposal that was unusual but not unheard of: I would pay them in installments, month by month, as the work progressed.

No lump sum upfront. No bank letter of credit. Just a handshake, a contract my firm drafted, and monthly payments tied to construction milestones.

They agreed. Why? Because steady, reliable monthly income is gold for construction crews in the interior. Most of their clients pay late or try to renegotiate mid-project. I paid on time, every time, on the exact day we agreed. That reputation matters more than any bank guarantee.

Breaking Down the Numbers

Here is what the 750m² commercial building cost me, broken down honestly:

Land: Already owned (purchased years earlier for approximately R$80,000)

Foundation and structure: R$180,000 Masonry and walls: R$120,000 Electrical and plumbing: R$95,000 Roof and waterproofing: R$85,000 Flooring and finishing: R$140,000 Facade and exterior: R$110,000 Parking area and landscaping: R$70,000 Permits, engineering, architecture fees: R$60,000 Contingency and miscellaneous: R$140,000

Total construction cost: approximately R$1,000,000

That is roughly R$1,330 per square meter, which was competitive for the region and the quality of construction. I was not building luxury — I was building functional, durable commercial space. Concrete block walls, good quality ceramic tile flooring, commercial-grade electrical infrastructure, generous parking.

The key number: R$1M spread over approximately 60 months (5 years). That is roughly R$16,000-17,000 per month in payments to the construction crew and material suppliers. Some months were higher (when we poured the foundation, when we did the roof), some were lower. But the average was manageable against my other income.

Zero interest. Zero bank fees. Zero bureaucratic headaches.

The Five-Year Build

I want to be honest about something: building without financing means building slowly. This was not a 12-month construction project. It took closer to three and a half years of active construction, with some pauses when cash flow was tighter.

Year 1: Foundation, structure, roof. The skeleton of the building went up.

Year 2: Walls, plumbing, electrical. The building took shape. You could walk through the rooms and imagine what they would become.

Year 3: Finishing — flooring, painting, facade, parking lot, landscaping. The final details that turn a construction site into a building.

Year 4-5: Final payments to suppliers and the crew for retained amounts and punch-list items.

Was it frustrating sometimes? Absolutely. There were months where I watched my friends who had financed their projects move into finished buildings while mine was still getting its plumbing installed. But they were also writing checks to Bradesco every month at 15% interest, and I was not.

Finding the Right Tenant

Before the building was even finished, I started looking for tenants. I did not want to complete a 750m² commercial building and then scramble to fill it. That is a mistake I have seen too many developers make.

I knew the healthcare sector was growing in the region. The city’s population had increased by 30% in the decade prior. There were more people, more demand for medical services, and a shortage of modern, well-equipped medical and commercial space. Doctors were renting cramped rooms above shops. Clinics were operating out of converted houses.

Through a mutual connection, I was introduced to a dialysis clinic operation that was looking to expand into the city. Dialysis clinics are interesting tenants for several reasons:

Long-term stability: Dialysis patients need treatment three times per week, indefinitely. The clinic does not relocate on a whim. Once they set up their equipment and establish a patient base, they stay.

Equipment investment: The clinic invests hundreds of thousands of reais in specialized dialysis machines, water treatment systems, and medical infrastructure. That investment anchors them to the location.

Insurance and guarantees: Healthcare operations typically have strong financial backing and are more reliable tenants than, say, a retail store that might fold in a recession.

We signed a 10-year commercial lease — a locação comercial with all the standard protections under Brazilian law (Lei do Inquilinato, Lei 8.245/91). The rent was set at R$30,000 per month with annual adjustments tied to the IGP-M inflation index.

The Math That Changed Everything

Let me walk through the numbers that made this one of the best investments I have ever made.

Total investment: R$1,000,000 (construction) + R$80,000 (land) = R$1,080,000 Monthly rental income: R$30,000 Annual gross rental income: R$360,000 Gross yield: 33% per year on invested capital

Even after property taxes (IPTU), maintenance reserves, and income tax on rental receipts, the net yield is well above 20% annually. Compare that to the CDI rate or the Selic, and you understand why I kept building.

But the real story is the appreciation. The building, which cost me R$1M to build, is now valued at approximately R$4M based on comparable commercial property sales in the area. The combination of the building’s quality, the tenant’s stability, and the city’s growth all drove that appreciation.

R$1M invested. R$4M in current value. R$30K/month in rental income. Zero bank debt.

That is the power of avoiding financing in Brazil.

What I Learned

Patience pays more than interest. Building slowly without financing means you miss the instant gratification of a quick project. But you also miss the crushing weight of double-digit interest payments that eat your returns for a decade.

Relationships replace banks. In Brazil’s interior, your reputation is your credit score. Pay on time, treat your construction crew with respect, and they will work with you on terms no bank would ever offer.

Know your tenant before you build. I designed the building with healthcare tenants in mind — wider corridors, reinforced flooring for heavy equipment, commercial-grade electrical capacity, generous plumbing infrastructure. When the dialysis clinic walked in, the space was already close to what they needed.

Interior cities are undervalued. Everyone in Brazil wants to invest in São Paulo or Rio. Meanwhile, interior cities with populations of 200,000-500,000 are growing at rates that dwarf the capitals. The demand for commercial space in these cities is real and persistent.

Commercial tenants are better than residential. A commercial tenant with a 10-year lease, equipment invested in the property, and a patient base anchored to the location is not going to leave when a slightly cheaper option appears down the street. Stability is worth more than maximum rent.

Would I Do It Again?

In a heartbeat. And I am doing it again — just on a larger scale with the medical clinic project I am building now. The same principles apply: avoid financing, pay in installments, build for a specific tenant profile, and choose locations where demand is growing faster than supply.

Brazil’s interest rates make traditional financing a losing proposition for most commercial developers. But if you have the discipline to build slowly, the relationships to negotiate installment payments, and the patience to wait for the right tenant, the returns are extraordinary.

The blue Mustang kid from the US who sold his car to buy a plane ticket now owns a R$4M commercial building that generates R$360,000 per year in rental income. And not a single centavo of that goes to a bank.



If you are considering building or investing in commercial real estate in Brazil, ZS Advogados can help. Our team handles real estate law, commercial leases, construction contracts, and property structuring for both Brazilian and foreign investors. We have built our own portfolio using these exact strategies — and we can guide you through every step.

Contact ZS Advogados →


This article reflects personal experiences and is for informational purposes only. It does not constitute legal or financial advice. Real estate investments carry risks, and each situation has unique circumstances that should be evaluated by qualified legal and financial professionals.

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